CN104227871A - Novel waste plastic crushing and cleaning device and implementation method thereof - Google Patents
Novel waste plastic crushing and cleaning device and implementation method thereof Download PDFInfo
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- CN104227871A CN104227871A CN201410520941.8A CN201410520941A CN104227871A CN 104227871 A CN104227871 A CN 104227871A CN 201410520941 A CN201410520941 A CN 201410520941A CN 104227871 A CN104227871 A CN 104227871A
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- rinsing bath
- rinsing
- waste
- dewaterer
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- 239000004033 plastic Substances 0.000 title claims abstract description 82
- 229920003023 plastic Polymers 0.000 title claims abstract description 82
- 239000002699 waste material Substances 0.000 title claims abstract description 73
- 238000004140 cleaning Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910001868 water Inorganic materials 0.000 claims abstract description 62
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000011780 sodium chloride Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 17
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000001110 calcium chloride Substances 0.000 claims abstract description 16
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 16
- 230000007613 environmental effect Effects 0.000 claims description 46
- 239000007921 spray Substances 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 11
- 238000013467 fragmentation Methods 0.000 claims description 11
- 238000006062 fragmentation reaction Methods 0.000 claims description 11
- 239000012266 salt solution Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000012267 brine Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 3
- 239000004793 Polystyrene Substances 0.000 abstract 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 abstract 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 abstract 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 abstract 2
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000013502 plastic waste Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- -1 stable Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a novel waste plastic crushing and cleaning device and an implementation method thereof. The novel waste plastic crushing and cleaning device comprises a crushing machine, a first rinsing basin, a desalted water filtering circulating device, a second rinsing basin, an environment-friendly material treatment system, a sunken material treatment system and a second filtering screen, wherein the first rinsing basin is connected with the material outlet of the crushing machine and contains rinsing liquid which consists of sodium chloride, calcium chloride and water and has the salinity of 15-25 degrees; the desalted water filtering circulating device is communicated with the first rinsing basin; the second rinsing basin is communicated with the first rinsing basin and contains rinsing liquid which consists of sodium chloride, calcium chloride and water and has the salinity of 7-8 degrees; the environment-friendly material treatment system and the sunken material treatment system are communicated with the second rinsing basin; the second filtering screen is simultaneously arranged at the bottoms of the environment friendly material treatment system and the sunken material treatment system. The novel waste plastic crushing and cleaning device is reasonable in design, convenient to operate and high in automation degree and can stably clean PS (polystyrene) or ABS (acrylonitrile butadiene styrene) waste plastic in batches, is high in impurity removal rate and can simultaneously clean out environment-friendly materials and non environment-friendly materials.
Description
Technical field
The present invention relates to a kind of cleaning device, what be specifically related to is a kind of novel waste and old plastic crushing cleaning device and its implementation.
Background technology
Along with the continuous increase of plastic products consumption figure, waste plastic is also in the trend (such as PS and ABS) increased year by year.At present, China's waste plastic is mainly plastic sheeting, plastic wire and knitting, foamed plastics, plastic package box and container, daily plastic goods, polybag and agricultural mulching etc.In addition, China's automotive plastic year consumption figure has also reached about 400,000 tons, electronic apparatus and household electrical appliances supporting plastics year consumption figure reached more than 100 ten thousand tons, become one of important sources of waste plastics after these product rejections.
It is reported, within 2012, China's waste plastics generation is about 2,800 ten thousand tons, within 2013, is 3,413 ten thousand tons.These waste plastics if to deposit, transport and process process improper, will certainly contaminated environment, the harm common people are healthy.
And waste or used plastics processing is as new industry, industry size just grows at development, and kind and output are also being on the increase.At present, national major cities periphery, as the surrounding areas such as Beijing, Shanghai, Tianjin, Chongqing, Guangzhou, Wuhan, Nanjing, Xi'an, Taiyuan, Chengdu, Shenyang with all having plastic processing similar in a large number and transaction place.On the whole, the domestic enterprise being engaged in waste plastic recovery and processing gets more and more, but still based on individual enterprise.
Cleaning after waste and old recovery is step very crucial during waste plastic regeneration utilizes.Due to the kind a lot (mainly containing PE, PP, PVC, PS, ABS) of waste or used plastics, used equipment and solvent for cleaning have difference.Therefore, in order to make the benefit of enterprise, batch being accomplished to waste or used plastics, stable, Impurity removal is clean and the effect of energy automation cleaning, improving the recovery utilization rate of waste or used plastics, just become a kind of inevitable development trend gradually.But due to many restrictions of device structure and process aspect, waste plastics cleaning equipment a lot of on the market at present is also difficult to meet this demand.
Summary of the invention
The object of the present invention is to provide a kind of novel waste and old plastic crushing cleaning device and its implementation, mainly solve existing cleaning equipment and can not clean waste or used plastics in batches and the low problem of removal of impurity.The present invention cleans mainly for PS and ABS waste or used plastics.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of novel waste and old plastic crushing cleaning device, comprise disintegrating machine, be connected with this discharge hole of crusher, and be equipped with by sodium chloride, calcium chloride and water mixing composition and salinity is the first rinsing bath of the rinsing liquid of 15 ~ 25 degree, the desalted water filtering circulating device be communicated with this first rinsing bath, be communicated with this first rinsing bath and be equipped with by sodium chloride, calcium chloride and water mixing composition and salinity is the second rinsing bath of the rinsing liquid of 7 ~ 8 degree, the environmental protection material treatment system be all communicated with this second rinsing bath and jetsam treatment system, and the second filter screen be simultaneously arranged on bottom environmental protection material treatment system and jetsam treatment system.
Specifically, described desalted water filtering circulating device comprises the first dewaterer be connected with the first rinsing bath, be arranged on the water leg bottom this first dewaterer, be arranged on the first filter screen between the first dewaterer and water leg, and the water pump be communicated with the first rinsing bath with this water leg respectively.
Specifically, described environmental protection material treatment system comprises the first spray pond, the second dewaterer, the first dust removal machine and the first homogenizing tank that connect successively; Described first spray pond is communicated with the second rinsing bath, and described second filter screen is positioned at bottom the second dewaterer.
Specifically, described jetsam treatment system comprises the second spray pond, the 3rd dewaterer, the second dust removal machine and the second homogenizing tank that connect successively; Described second spray pond is communicated with bottom the second rinsing bath.
Again further, all connected by material loading screw rod between described first rinsing bath, the first dewaterer, the second rinsing bath, the first spray pond, the second dewaterer, the first dust removal machine, the first homogenizing tank, the second spray pond, the 3rd dewaterer, the second dust removal machine and the second homogenizing tank.
Based on the said equipment basis, present invention also offers the implementation method of this novel waste and old plastic crushing cleaning device, comprise the following steps:
(1) rinsing liquid in the first rinsing bath and the second rinsing bath is mixed respectively;
(2) waste or used plastics tablet is put in disintegrating machine carry out fragmentation;
(3) be passed in the first rinsing bath by the waste or used plastics after fragmentation and tentatively clean, make the metal in waste or used plastics, silicone elastomer body and other non-PS, ABS material sinks, the tablet of reusable edible then floats;
(4) be passed in the first dewaterer by the tablet floated and remove salt solution, separated salt solution flow in water leg and collects after the first strainer filtering;
(5) start water pump, got back to by the brine pump in water leg in the first rinsing bath, meanwhile, remove the tablet after salt solution and be passed in the second rinsing bath and carry out secondary cleaning, non-environmental protection material is sunk, and environmental protection material then floats;
(6) non-environmental protection material is passed into that jetsam treatment system is carried out spraying, dewatered, dedusting and homogenizing process, obtain the non-environmental protection broken material regenerated; Meanwhile, environmental protection material is passed into environmental protection material treatment system is carried out spraying, dewatered, dedusting and homogenizing process, obtains the environmental protection broken material regenerated; Namely the cleaning to waste or used plastics is completed.
Specifically, described step (1) comprises the following steps:
(1a) sodium chloride, calcium chloride and water mixing preparation are become salinity to be the rinsing liquid of 15 ~ 25 degree, and join in the first rinsing bath;
(1b) sodium chloride, calcium chloride and water mixing preparation are become salinity to be the rinsing liquid of 7 ~ 8 degree, and join in the second rinsing bath.
Further, in described step (6), the water separated via processed flow in the blowoff basin below it after the second strainer filtering.
As preferably, the salinity joining the rinsing liquid in the first rinsing bath is 25 degree.
As preferably, the salinity joining the rinsing liquid in the second rinsing bath is 7 degree.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is by the mode of broken, preliminary cleaning, dehydration, secondary cleaning, spray, dehydration, dedusting, homogenizing, achieve fragmentation and batch to PS or ABS waste or used plastics, clean at many levels, not only automaticity is high, and cleaning performance is all good, waste or used plastics after utilizing the present invention to clean, when reclaiming making environmental protection series products, its ROHS testing result is very good.
(2) because PS or ABS waste or used plastics density is all greater than water, when cleaning the type waste or used plastics, not directly adopt water cleaning, thus the present invention adopts the sodium chloride of different proportion, the rinsing liquid that calcium chloride is different with water preparation salinity, respectively impurity different for density is separated with PS or ABS environmental protection material and the non-environmental protection material of PS or ABS in preliminary cleaning with the process of secondary cleaning, not only significantly improve the removal of impurity of waste or used plastics, reduce the harmful substance in waste or used plastics and other impurity, and make the present invention be provided with the dual-purpose feature of one, environmental protection material and non-environmental protection material can be cleaned out simultaneously, thus meet the different need of production of enterprise, and improve the economic interests of enterprise.
(3) present inventor is based on in the further investigation of waste or used plastics ingredient properties and the basis of understanding, after in conjunction with actual conditions, reasonable selection sodium chloride and calcium chloride increase the proportion of water, and to be adjusted to into salinity be respectively that the rinsing liquid of 15 ~ 25 degree and 7 ~ 8 degree carries out with different levels cleaning to PS or ABS waste or used plastics, ensure that the high-efficiency washing of waste or used plastics, improve the production efficiency that whole technics of reclaim of plastic waste utilizes, closely cooperate between each step of the whole device structure of the present invention and cleaning, all linked with one another, there is strict causality, therefore the relative equilibrium between technology and cost is also achieved to the full extent.
(4) the present invention is provided with the first dewaterer between the first rinsing bath and the second rinsing bath, because the rinsing liquid salinity in the first rinsing bath is 15 ~ 25 degree, salinity is larger, if the tablet thus after tentatively cleaning through the first rinsing bath directly enters into the second rinsing bath, the salinity in the second rinsing bath then can be caused to be difficult to control between 7 ~ 8 degree, thus, just be difficult to the secondary cleaning effect guaranteeing tablet, then the process of subsequent technique is affected, therefore, the first dewaterer that the present invention is arranged can play the effect removing and be attached to web surface salt solution, thus guarantee the effect of the second rinsing bath to tablet secondary cleaning.
(5) the present invention is also provided with water leg bottom the first dewaterer, and by water pump, this water leg is communicated with the first rinsing bath, the salt solution that first dewaterer removes enters into water leg and collects, and then by water pump, the brine pump in water leg is got back in the first rinsing bath, thus realize recycling of rinsing liquid in the first rinsing bath, and then while guaranteeing waste plastics cleaning effect, can economize in raw materials again and cost, according to statistics, adopt this kind of endless form to recycle rinsing liquid, sodium chloride and the calcium chloride of 5% ~ 8% can be saved.
(6) because the first dewaterer, the second dewaterer and the 3rd dewaterer are when dewatering to broken material, having some slag charges unavoidably along with water discharges together, water thus not only can be made muddy, but also can cause the waste of broken material.Therefore, the first filter screen that the present invention is arranged and the second filter screen then can avoid the problem of these two aspects well, because stayed on the first filter screen and the second filter screen along with water slag charge out filters respectively during dehydration, so the water entering into water leg and blowoff basin can not seem muddy, slag charge can be saved simultaneously, then again utilize after drying, so just can reduce the waste (approximately can save the broken material of 3% ~ 4%) of raw material.Thus, waste or used plastics raw material can be saved on the one hand, then can save rinsing liquid on the other hand, and then reduce costs.
(7) the present invention adopts material loading screw rod to transmit material, and not only transmission is stable, transmission speed is fast, and energy consumption is low, is thus suitable for very much the feeding aspect of broken material.
(8) the present invention is rational in infrastructure, cost performance is high, practical, stable, simple operation, automaticity are high, along with the progressively attention that people utilize technics of reclaim of plastic waste, the present invention is also provided with application prospect widely, is very applicable to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the structural representation of crushing washing system of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, the present invention is mainly used in carrying out fragmentation and cleaning to PS and ABS waste or used plastics, makes it meet the requirement of subsequent recovery manufacturing process, realizes the regeneration of waste or used plastics.In system architecture, the present invention includes disintegrating machine, the first rinsing bath, desalted water filtering circulating device, the second rinsing bath, environmental protection material treatment system, jetsam treatment system and the second filter screen.Described disintegrating machine is communicated with the first rinsing bath, and disintegrating machine is used for broken worn-out plastics, then all rinsing liquid is housed, for cleaning the waste or used plastics after fragmentation in described first rinsing bath and the second rinsing bath.Specifically, first rinsing bath is used for tentatively cleaning broken material, rinsing liquid in it is made up of calcium chloride, sodium chloride and water, during dosing, three kinds of component mix and blends can be obtained rinsing liquid, the proportioning of three kinds of components does not do requirement, only need guarantee that the salinity of rinsing liquid is 15 ~ 25 degree; Second rinsing bath is then for carrying out secondary cleaning to broken material, obtain environmental protection material and non-environmental protection material, rinsing liquid in this second rinsing bath is made up of calcium chloride, sodium chloride and water equally, and dosing mode is also identical with the rinsing liquid in the first rinsing bath, difference is that the salinity of rinsing liquid in this second rinsing bath need be formulated as 7 ~ 8 degree.
Described desalted water filtering circulating device be used for by tentatively cleaning after tablet carry out Demineralized Water Production, and then the brine filter that will remove, and circulation turns back in the first rinsing bath, specifically, this desalted water filtering circulating device comprises the first dewaterer be connected with the first rinsing bath, be arranged on the water leg bottom this first dewaterer, be arranged on the first filter screen between the first dewaterer and water leg, and the water pump be communicated with the first rinsing bath with this water leg respectively.
Described environmental protection material treatment system is for the treatment of the environmental protection material obtained after the second rinsing bath cleaning, and it comprises the first spray pond, the second dewaterer, the first dust removal machine and the first homogenizing tank that connect successively, and wherein, the first spray pond is communicated with the second rinsing bath.Described jetsam treatment system is then for the treatment of the non-environmental protection material obtained after the second rinsing bath cleaning, it comprises the second spray pond, the 3rd dewaterer, the second dust removal machine and the second homogenizing tank that connect successively, wherein, state the second spray pond to be communicated with bottom the second rinsing bath.Described second filter screen is arranged on the bottom of the second dewaterer and the 3rd dewaterer simultaneously, and is blowoff basin below the second filter screen.
All connected by material loading screw rod between the said equipment, facilitate process and the transmission of broken material.
The impurity be mixed with in waste or used plastics and harmful substance, after said system fragmentation of the present invention, cleaning and process, can be separated, realize the object cleaned up, and then be convenient to the recovery manufacture of waste or used plastics by PS and ABS waste or used plastics.And in order to embody beneficial effect of the present invention, according to the said equipment and set-up mode thereof, be described with a case study on implementation and test data thereof below, other case study on implementation and present case effect are more or less the same.
First, the rinsing liquid that will join in the first rinsing bath and the second rinsing bath is made respectively.Rinsing liquid in first rinsing bath, it is formed by calcium chloride, sodium chloride and water mixed preparing, and the salinity of rinsing liquid is 25 degree; And the salinity of rinsing liquid in the second rinsing bath is 7 degree.
Then, put in disintegrating machine by PS or ABS waste or used plastics tablet and carry out fragmentation, the broken material after fragmentation enters into the first rinsing bath and tentatively cleans.In the saline environment of the first rinsing bath, because the critical point be separated is different, therefore, the one-tenth branch in waste or used plastics is separated because of the difference of density, that is: metal, silicone elastomer body and other non-PS, ABS material can be sunk, and the tablet that can recycle can float.
Then, utilize material loading screw rod to be passed in the first dewaterer by tablet, remove salt solution, and then be passed in the second rinsing bath, carry out secondary cleaning, the object of this cleaning is the environmental protection material in tablet to be separated with non-environmental protection material.This cleaning is equally also the principle utilizing density different, in the saline environment of the second rinsing bath, is separated by environmental protection material with non-environmental protection material, and after being separated, non-environmental protection material can sink, and is controlled to be passed in the first spray pond to spray by material loading screw rod; Environmental protection material then floats, and is passed in the second spray pond and sprays.Meanwhile, the salt solution that the first dewaterer removes is first by the first strainer filtering, and slag charge is stayed on the first filter screen, keeps these slag charges, again utilizes after then drying; Clean salt solution is then collected in the water leg bottom it, then opens water pump, is got back in the first rinsing bath by the brine pump in water leg.
Finally, non-environmental protection material and environmental protection material, all respectively via after dewaterer dehydration, dust removal machine dedusting and the process of homogenizing tank homogenizing, can complete the process of whole fragmentation to waste or used plastics and cleaning.Through the water of processed then by after the second strainer filtering, be drained in the blowoff basin below the second filter screen, the slag charge being then filtered out can save equally.
Adopt existing cleaning equipment and technique cleaning waste or used plastics, then make environment-friendly products (such as household appliances product), and carry out ROHS detection to it, the test result obtained is as shown in table 1:
| ROHS detection material | Content |
| Cadmium (Cd) | 0.008% |
| Plumbous (Pb) | 0.076% |
| Mercury (Hg) | 0.031% |
| Cr VI (Cr6 +） | 0.033% |
| PBBs (PBBs) | 0.047% |
| PBDE (PBDEs) | 0.041% |
Table 1
And adopt purging system of the present invention, and according to the environmental protection material after above-mentioned case study on implementation cleaning, then make environment-friendly products (such as household appliances product) equally, and carry out ROHS detection to it, its result is as shown in table 2:
| ROHS detection material | Content |
| Cadmium (Cd) | 0.002% |
| Plumbous (Pb) | 0.029% |
| Mercury (Hg) | 0.0007% |
| Cr VI (Cr6 +） | 0.020% |
| PBBs (PBBs) | 0.028% |
| PBDE (PBDEs) | 0.026% |
Table 2
By table 1, the contrast of 2 can be found out, adopt existing cleaning equipment and adopt crushing washing system of the present invention respectively by after PS or ABS waste or used plastics crushing washing, although the two follow-up environment-friendly products made all meets ROHS standard on every Testing index, but from the data of indices, adopt the environment-friendly products that the environmental protection material of crushing washing cleaning systems of the present invention is made, its ROHS testing result is obviously better than the testing result of Traditional Environmental-protection product, this has benefited from purging system of the present invention can cleaner by waste plastics cleaning, the reason that removal of impurity is higher.As can be seen from this point, because harmful substance contents is less, thus the waste or used plastics after the present invention's cleaning is more suitable for for making environment-friendly products, more meets the concept of environmental protection and waste plastic regeneration utilization, also can meet the ROHS2.0 standard that will perform future well simultaneously.Further, crushing washing system of the present invention compares existing cleaning equipment, and also having can batch, stable cleaning waste or used plastics and economize in raw materials and the advantage of cost, and therefore, it greatly meets the demand that enterprise produces.
And utilize the environmental protection material after present system cleaning and non-environmental protection material, because removal of impurity is high, therefore, it is in the process of follow-up manufacture environmental protection and non-environment-friendly products, the interference be subject to can significantly reduce, the product design made is attractive in appearance, generous, reliable product quality, can bring more Multi benefit for enterprise.
Device structure one of the present invention is dual-purpose, can clean out the environmentally-friendly plastic and non-environmentally-friendly plastic that meet and reclaim manufacture requirements, and it has cleaning automation, batch cleans, classify at many levels cleaning, cost-saving advantage.Along with people more and more pay attention to the recycling of waste or used plastics, the present invention is with the feature of its uniqueness, improve the technique of waste plastics cleaning aspect well, significantly improve its recovery utilization rate, and achieve making full use of raw material to the full extent, thus not only greatly meet the economic interests of enterprise, satisfy the demands of consumers, and responded the call of country in environmental friendly regenerated utilization well.Therefore, compared with prior art, progress of the present invention is fairly obvious, has outstanding substantive distinguishing features and significant progress.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt design principle of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.
Claims (10)
1. a novel waste and old plastic crushing cleaning device, it is characterized in that, comprise disintegrating machine, be connected with this discharge hole of crusher, and be equipped with by sodium chloride, calcium chloride and water mixing composition and salinity is the first rinsing bath of the rinsing liquid of 15 ~ 25 degree, the desalted water filtering circulating device be communicated with this first rinsing bath, be communicated with this first rinsing bath and be equipped with by sodium chloride, calcium chloride and water mixing composition and salinity is the second rinsing bath of the rinsing liquid of 7 ~ 8 degree, the environmental protection material treatment system be all communicated with this second rinsing bath and jetsam treatment system, and the second filter screen be simultaneously arranged on bottom environmental protection material treatment system and jetsam treatment system.
2. a kind of novel waste and old plastic crushing cleaning device according to claim 1, it is characterized in that, described desalted water filtering circulating device comprises the first dewaterer be connected with the first rinsing bath, be arranged on the water leg bottom this first dewaterer, be arranged on the first filter screen between the first dewaterer and water leg, and the water pump be communicated with the first rinsing bath with this water leg respectively.
3. a kind of novel waste and old plastic crushing cleaning device according to claim 2, is characterized in that, described environmental protection material treatment system comprises the first spray pond, the second dewaterer, the first dust removal machine and the first homogenizing tank that connect successively; Described first spray pond is communicated with the second rinsing bath, and described second filter screen is positioned at bottom the second dewaterer.
4. a kind of novel waste and old plastic crushing cleaning device according to claim 3, is characterized in that, described jetsam treatment system comprises the second spray pond, the 3rd dewaterer, the second dust removal machine and the second homogenizing tank that connect successively; Described second spray pond is communicated with bottom the second rinsing bath, and described second filter screen is positioned at bottom the 3rd dewaterer.
5. a kind of novel waste and old plastic crushing cleaning device according to claim 4, it is characterized in that, all connected by material loading screw rod between described first rinsing bath, the first dewaterer, the second rinsing bath, the first spray pond, the second dewaterer, the first dust removal machine, the first homogenizing tank, the second spray pond, the 3rd dewaterer, the second dust removal machine and the second homogenizing tank.
6. an implementation method for novel waste and old plastic crushing cleaning device, is characterized in that, comprises the following steps:
(1) rinsing liquid in the first rinsing bath and the second rinsing bath is mixed respectively;
(2) waste or used plastics tablet is put in disintegrating machine carry out fragmentation;
(3) be passed in the first rinsing bath by the waste or used plastics after fragmentation and tentatively clean, make the metal in waste or used plastics, silicone elastomer body and other non-PS, ABS material sinks, the tablet of reusable edible then floats;
(4) be passed in the first dewaterer by the tablet floated and remove salt solution, separated salt solution flow in water leg and collects after the first strainer filtering;
(5) start water pump, got back to by the brine pump in water leg in the first rinsing bath, meanwhile, remove the tablet after salt solution and be passed in the second rinsing bath and carry out secondary cleaning, non-environmental protection material is sunk, and environmental protection material then floats;
(6) non-environmental protection material is passed into that jetsam treatment system is carried out spraying, dewatered, dedusting and homogenizing process, obtain the non-environmental protection broken material regenerated; Meanwhile, environmental protection material is passed into environmental protection material treatment system is carried out spraying, dewatered, dedusting and homogenizing process, obtains the environmental protection broken material regenerated; Namely the cleaning to waste or used plastics is completed.
7. the implementation method of a kind of novel waste and old plastic crushing cleaning device according to claim 6, it is characterized in that, described step (1) comprises the following steps:
(1a) sodium chloride, calcium chloride and water mixing preparation are become salinity to be the rinsing liquid of 15 ~ 25 degree, and join in the first rinsing bath;
(1b) sodium chloride, calcium chloride and water mixing preparation are become salinity to be the rinsing liquid of 7 ~ 8 degree, and join in the second rinsing bath.
8. the implementation method of a kind of novel waste and old plastic crushing cleaning device according to claim 7, is characterized in that, in described step (6), the water separated via processed flow in the blowoff basin below it after the second strainer filtering.
9. the implementation method of a kind of novel waste and old plastic crushing cleaning device according to claim 8, is characterized in that, the salinity joining the rinsing liquid in the first rinsing bath is 25 degree.
10. the implementation method of a kind of novel waste and old plastic crushing cleaning device according to claim 8 or claim 9, it is characterized in that, the salinity joining the rinsing liquid in the second rinsing bath is 7 degree.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109135155A (en) * | 2018-06-22 | 2019-01-04 | 四川塑金科技有限公司 | A kind of waste and old ABS/PP composite material and preparation method |
| CN110640940A (en) * | 2019-09-27 | 2020-01-03 | 江苏嘉天盛再生资源有限公司 | ABS plastics recycling, cleaning and reproducing production line |
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| CN104227871B (en) | 2016-09-21 |
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